Home / 3,681.74-5,087.92-2,796

Finding the Fourth Proportional to 3,681.74, 5,087.92 and 2,796

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Solution

The fourth proportional to 3,681.74, 5,087.92 and 2,796 is: 3,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.74 : 5,087.92 = 2,796 : x
  2. Step 2: Convert to fraction form
    3,681.74/5,087.92 = 2,796/x
  3. Step 3: Cross multiply
    3,681.74x = 5,087.92 × 2,796
  4. Step 4: Simplify right side
    3,681.74x = 14,225,824.32
  5. Step 5: Solve for x
    x = 14,225,824.32/3,681.74
  6. Step 6: Final answer
    x = 3,863.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.